Granted Patent
Utility
US 6,595,009 · App. 10/196,420
Method for providing refrigeration using two circuits with differing multicomponent refrigerants
Inventors:
Henry Edward Howard, Martin Timm
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Jul 17, 2002
Inventors
Henry Edward Howard
Martin Timm
Assignee (at issue)
Praxair Technology, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.